Bosch Rotary Hammer GBH-4-DFE

Warning: Ensure the tool is not connected to any power source before starting the procedure.

Is the dust protection cap damaged?

If the dust protection cap is damaged, contact the after-sales service.

Upload a photo of the SDS-plus drilling tool

Is the tool properly inserted and latched?

If the tool is not properly latched, remove and reinsert it.

Is the tool without SDS-plus properly inserted and latched?

If the tool without SDS-plus is not properly latched, remove and reinsert it.

Sign off on the tool replacement

Dismounting the SDS-plus Tool Holder or the Quick change keyless chuck

Turn the mode selector switch 7 temporarily to the “drilling” position in order to lock the tool holder.

Firmly turn the locking sleeve 3 in the direction of the arrow and pull off the tool holder 1 or the quick change keyless chuck 12 toward the front.

After removing, protect the tool holder 1 or the quick change keyless chuck 12 against contamination. Lightly lubricate the engaging grooves, if required.

Mounting the SDS-plus Tool Holder or the Quick change keyless chuck

Turn the locking sleeve 3 in the direction of the arrow and pull it back at the same time, until the tool holder 1 or the quick change keyless chuck 12 engages.

The tool holder 1 or the quick change keyless chuck 12 is automatically locked. Check the locking effect by pulling the tool holder.

Sign off on the tool holder replacement

Warning: Disconnect the machine from power before starting maintenance

Machine and ventilation slots clean

Dust protection cap in good condition

If dust protection cap is damaged, send to after-sales service

If service indicator light is on, send to after-sales service

10-digit article number from the machine's type plate

Warning: Do not connect the blue or brown wire to the earth terminal of the plug

Sign off on the rotary hammer maintenance